ULTRASONIC ATTENUATION AND VELOCITY CHANGES DURING THE FCC-HCP MARTENSITIC TRANSFORMATION IN COBALT-NICKEL G. A. Kneezel et A. V. GranatoJ. Phys. Colloques, 42 C5 (1981) C5-1061-C5-1065DOI: https://doi.org/10.1051/jphyscol:19815164